Welcome to Micro 22. Principles of Microbiology Tim K. Revell, Ph.D. What is Microbiology?. Root words: Micro = small Bio = life Logy = study of. Microorganisms (or Microbes). Organisms (living things) too small to be seen with the naked eye OR
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Welcome to Micro 22
Principles of Microbiology
Tim K. Revell, Ph.D.
Micro = small
Bio = life
Logy = study of
Organisms (living things) too small to be seen with the naked eye
Organisms too small to be seen without a microscope
But are microbes good or bad?
Can cause illness
Can damage food crops
Good microbes can defend against bad microbes
Used in making yogurt, birth control pills, meat tenderizers
9 out of 10!
Estimated 2-4 million cases/yr in U.S.
Associated with raw meat, poultry, milk, dairy products, fish, eggs, coconut, frog legs, peanut butter, cocoa and chocolate, Pets! (such as turtles, other reptiles, dogs, cats, birds, pet food, treats)!
INCIDENCE is more of a RATE at which a disease is spreading….PREVALENCE is a measure of how widespread a disease is.
______________ Worldwide epidemic
_____________ – Immunity in most of a population (80%)
Great Essay Question!
Centers for Disease Control and Prevention (CDC)
Procaryotic cells (bacteria) are relatively simple and
Procaryotic Eucaryotic Mitochondrion Chloroplast
Another good essay question!
3 Domain System!